<template>
	<div>
		<div>
			<button @click="insertText">insert text</button>
			<button @click="printHtml">print html</button>
			<button @click="disable">disable</button>
		</div>
		<div style="border: 1px solid #ccc; margin-top: 10px">
			<Toolbar :editor="editorRef" :defaultConfig="toolbarConfig" :mode="mode" style="border-bottom: 1px solid #ccc" />
			<Editor
				:defaultConfig="editorConfig"
				:mode="mode"
				v-model="valueHtml"
				style="height: 400px; overflow-y: hidden"
				@onCreated="handleCreated"
				@onChange="handleChange"
				@onDestroyed="handleDestroyed"
				@onFocus="handleFocus"
				@onBlur="handleBlur"
				@customAlert="customAlert"
				@customPaste="customPaste"
			/>
		</div>
		<div style="margin-top: 10px">
			<textarea v-model="valueHtml" readonly style="width: 100%; height: 200px; outline: none"></textarea>
		</div>
	</div>
</template>

<script>
import { onBeforeUnmount, ref, shallowRef, onMounted } from 'vue';
import '@wangeditor/editor/dist/css/style.css';
import { Editor, Toolbar } from '@wangeditor/editor-for-vue';

export default {
	components: { Editor, Toolbar },
	setup() {
		// 编辑器实例，必须用 shallowRef，重要！
		const editorRef = shallowRef();

		// 内容 HTML
		const valueHtml = ref('<p>hello</p>');

		// 模拟 ajax 异步获取内容
		onMounted(() => {
			setTimeout(() => {
				valueHtml.value = '<p>模拟 Ajax 异步设置内容</p>';
			}, 1500);
		});

		const toolbarConfig = {};
		// const toolbarConfig: Partial<IToolbarConfig> = {  // TS 语法
		const editorConfig = { placeholder: '请输入内容...' };

		// 组件销毁时，也及时销毁编辑器，重要！
		onBeforeUnmount(() => {
			const editor = editorRef.value;
			if (editor == null) return;

			editor.destroy();
		});

		// 编辑器回调函数
		const handleCreated = (editor) => {
			console.log('created', editor);
			editorRef.value = editor; // 记录 editor 实例，重要！
		};
		const handleChange = (editor) => {
			console.log('change:', editor.getHtml());
		};
		const handleDestroyed = (editor) => {
			console.log('destroyed', editor);
		};
		const handleFocus = (editor) => {
			console.log('focus', editor);
		};
		const handleBlur = (editor) => {
			console.log('blur', editor);
		};
		const customAlert = (info, type) => {
			alert(`【自定义提示】${type} - ${info}`);
		};
		const customPaste = (editor, event, callback) => {
			console.log('ClipboardEvent 粘贴事件对象', event);

			// 自定义插入内容
			editor.insertText('xxx');

			// 返回值（注意，vue 事件的返回值，不能用 return）
			callback(false); // 返回 false ，阻止默认粘贴行为
			// callback(true) // 返回 true ，继续默认的粘贴行为
		};

		const insertText = () => {
			const editor = editorRef.value;
			if (editor == null) return;

			editor.insertText('hello world');
		};

		const printHtml = () => {
			const editor = editorRef.value;
			if (editor == null) return;
			console.log(editor.getHtml());
		};

		const disable = () => {
			const editor = editorRef.value;
			if (editor == null) return;
			editor.disable();
		};

		return {
			editorRef,
			mode: 'default',
			valueHtml,
			toolbarConfig,
			editorConfig,
			handleCreated,
			handleChange,
			handleDestroyed,
			handleFocus,
			handleBlur,
			customAlert,
			customPaste,
			insertText,
			printHtml,
			disable,
		};
	},
};
</script>
